* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #333;
}

.game-container {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    color: #2c3e50;
    margin-bottom: 20px;
}

#gameCanvas {
    background-color: #f8f9fa;
    border-radius: 5px;
    margin-bottom: 20px;
}

.game-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 0 20px;
}

#startButton {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

#startButton:hover {
    background-color: #2980b9;
}

.score, .level {
    font-size: 18px;
    font-weight: bold;
    color: #2c3e50;
}

.game-instructions {
    text-align: left;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 5px;
    margin-top: 20px;
}

.game-instructions p {
    margin-bottom: 10px;
    color: #666;
    line-height: 1.4;
}

.game-instructions p:first-child {
    font-weight: bold;
    color: #2c3e50;
} 